The open-source Arduino environment allows us to write code and load it onto the Arduino board s memory. The development environment is written in Java and based on Processing, avr-gcc, and other open source software.

居于AVR的带usb接口的Arduino开发板资料，成本更低，使用更方便。-AVR in the USB interface with the Arduino development board information, lower cost, more convenient to use.

使用BMP085气压计进行测量高度的源代码，包含arduino，51，avr三种(Use BMP085 barometer to measure the height of the source code, including Arduino, 51, AVR three kinds.)